K55.1 – Chronic vascular disorders of intestine
ICD-10-CM 2027 diagnosis code · Other diseases of intestines
ICD-10-CM code
K55.1
- Code
K55.1(claims format:K551)- Description
- Chronic vascular disorders of intestine
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 11. Diseases of the digestive system (K00-K95)
- Block
- K55-K64 Other diseases of intestines
- Parent codes
- K55
Notes for K55.1
Applicable to:
- Chronic ischemic colitis
- Chronic ischemic enteritis
- Chronic ischemic enterocolitis
- Ischemic stricture of intestine
- Mesenteric atherosclerosis
- Mesenteric vascular insufficiency
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
K55 – Vascular disorders of intestine
Excludes1 (not coded here):
- necrotizing enterocolitis of newborn (P77.-)
Excludes2 (not included here):
- angioectasia (angiodysplasia) duodenum (K31.81-)
Index terms for K55.1
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Angina, abdominal
- Angina, intestinal
- Angina, mesenteric
- Syndrome, Wilkie's
- Abdomen, abdominal, angina
- Colitis, ischemic, chronic
- Disease, diseased, Wilkie's
- Wilkie's disease or syndrome
- Syndrome, mesenteric, artery
- Enteritis, ischemic, chronic
- Stricture, intestine, ischemic
- Ischemia, ischemic, colon chronic
- Syndrome, ischemic, bowel, chronic
- Ischemia, ischemic, bowel, chronic
- Enterocolitis, hemorrhagic, chronic
- Syndrome, superior, mesenteric artery
- Ischemia, ischemic, intestine, chronic
- Insufficiency, insufficient, mesenteric
- Ischemia, ischemic, small bowel, chronic
- Syndrome, mesenteric, vascular insufficiency
- Arteriosclerosis, arteriosclerotic, mesenteric
- Insufficiency, insufficient, vascular, mesenteric
- Insufficiency, insufficient, arterial, mesenteric
- Disorder, intestine, intestinal, vascular, chronic
- Colitis, ischemic, due to mesenteric artery insufficiency
Related codes in K55
Frequently asked questions
What is ICD-10 code K55.1?
K55.1 is the ICD-10-CM code for chronic vascular disorders of intestine, in the block K55-K64 (Other diseases of intestines).
Is K55.1 a billable code?
Yes. K55.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does K55.1 belong to?
It belongs to category K55 – Vascular disorders of intestine.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.